A Vendor Lock-In is when certain software is developed to be incompatible by design with other software that have similar functionality. It is used to establish a monopoly. And any such function is malicious.
This comment thread is for people to document various implementations of this malicious feature.
On the very basic surface level it could be read as a horror film. It is slashery in nature. It has very gruesome body mutilation scenes. But the film feels less of a horror and more of something like Nicolas Winding Refn's film Only God Forgives. Only this one has Ari Aster written all over it.